package com.tlgen.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * 获取 ApplicationContext, 实现动态注入 bean
 */
@Component
@Slf4j
public class ApplicationContextRegister implements ApplicationContextAware {

    private static ApplicationContext APPLICATION_CONTEXT;

    /**
     * 设置 spring 上下文
     * @param applicationContext spring上下文
     * @throws BeansException
     * */
    @Override  public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        log.debug("ApplicationContext Registered --> {}", applicationContext);
        APPLICATION_CONTEXT = applicationContext;
    }

    /**
     * 获取容器
     * @return
     */
    public static ApplicationContext getApplicationContext() {
        return APPLICATION_CONTEXT;
    }

    /**
     * 获取容器对象
     * @param type
     * @param <T>
     * @return
     */
    public static <T> T getBean(Class<T> type) {
        return APPLICATION_CONTEXT.getBean(type);
    }

    public static <T> T getBean(String name,Class<T> clazz){
        return APPLICATION_CONTEXT.getBean(name, clazz);
    }

    public static Object getBean(String name){
        return APPLICATION_CONTEXT.getBean(name);
    }

}

